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further code simplification and rationalization related to MIDI source/file renaming

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This commit is contained in:
Paul Davis 2014-04-13 11:12:22 -04:00
parent 0d5f4c553a
commit b49bb451d2
6 changed files with 51 additions and 144 deletions
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2
libs/ardour/ardour/session.h
View File

@ -194,8 +194,6 @@ class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionLi
std::string peak_path (std::string) const;
std::string generate_new_source_path_from_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
std::string peak_path_from_audio_path (std::string) const;
std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
std::string new_midi_source_name (const std::string&);

9
libs/ardour/ardour/smf_source.h
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@ -45,6 +45,15 @@ public:
virtual ~SMFSource ();
/** Rename the file on disk referenced by this source to \param newname
*
* This method exists only for MIDI file sources, not for audio, which
* can never be renamed. It exists for MIDI so that we can get
* consistent and sane region/source numbering when regions are added
* manually (which never happens with audio).
*/
int rename (const std::string& name);
bool safe_file_extension (const std::string& path) const {
return safe_midi_file_extension(path);
}

32
libs/ardour/file_source.cc
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@ -524,38 +524,6 @@ out:
return ret;
}
int
FileSource::set_source_name (const string& newname, bool destructive)
{
Glib::Threads::Mutex::Lock lm (_lock);
string oldpath = _path;
string newpath = _session.generate_new_source_path_from_name (oldpath, _name, newname, destructive);
if (newpath.empty()) {
error << string_compose (_("programming error: %1"), "cannot generate a changed file path") << endmsg;
return -1;
}
// Test whether newpath exists, if yes notify the user but continue.
if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
error << string_compose (_("Programming error! %1 tried to rename a file over another file! It's safe to continue working, but please report this to the developers."), PROGRAM_NAME) << endmsg;
return -1;
}
if (Glib::file_test (oldpath.c_str(), Glib::FILE_TEST_EXISTS)) {
/* rename only needed if file exists on disk */
if (::rename (oldpath.c_str(), newpath.c_str()) != 0) {
error << string_compose (_("cannot rename file %1 to %2 (%3)"), oldpath, newpath, strerror(errno)) << endmsg;
return -1;
}
}
_name = Glib::path_get_basename (newpath);
_path = newpath;
return 0;
}
void
FileSource::mark_immutable ()
{

14
libs/ardour/midi_diskstream.cc
View File

@ -1229,12 +1229,18 @@ MidiDiskstream::steal_write_source_name ()
/* this will bump the name of the current write source to the next one
* (e.g. "MIDI 1-1" gets renamed to "MIDI 1-2"), thus leaving the
* current write source name (e.g. "MIDI 1-1" available). See the
* comments in Session::create_midi_source_for_track() about why we do
* this.
* comments in Session::create_midi_source_by_stealing_name() about why
* we do this.
*/
if (_write_source->set_source_name (name(), false)) {
return string();
try {
string new_name = _session.new_midi_source_name (name());
if (_write_source->rename (new_name)) {
return string();
}
} catch (...) {
return string ();
}
return our_old_name;

106
libs/ardour/session.cc
View File

@ -3366,112 +3366,6 @@ Session::count_sources_by_origin (const string& path)
return cnt;
}
string
Session::generate_new_source_path_from_name (string path, string oldname, string newname, bool destructive)
{
string look_for;
string old_basename = PBD::basename_nosuffix (oldname);
string new_legalized = legalize_for_path (newname);
/* note: we know (or assume) the old path is already valid */
if (destructive) {
/* destructive file sources have a name of the form:
/path/to/Tnnnn-NAME(%[LR])?.wav
the task here is to replace NAME with the new name.
*/
string dir;
string prefix;
string::size_type dash;
dir = Glib::path_get_dirname (path);
path = Glib::path_get_basename (path);
/* '-' is not a legal character for the NAME part of the path */
if ((dash = path.find_last_of ('-')) == string::npos) {
return "";
}
prefix = path.substr (0, dash);
path += prefix;
path += '-';
path += new_legalized;
path += native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
path = Glib::build_filename (dir, path);
} else {
/* non-destructive file sources have a name of the form:
/path/to/NAME-nnnnn(%[LR])?.ext
the task here is to replace NAME with the new name.
*/
string dir;
string suffix;
string::size_type dash;
string::size_type postfix;
dir = Glib::path_get_dirname (path);
path = Glib::path_get_basename (path);
/* '-' is not a legal character for the NAME part of the path */
if ((dash = path.find_last_of ('-')) == string::npos) {
return "";
}
suffix = path.substr (dash+1);
// Suffix is now everything after the dash. Now we need to eliminate
// the nnnnn part, which is done by either finding a '%' or a '.'
postfix = suffix.find_last_of ("%");
if (postfix == string::npos) {
postfix = suffix.find_last_of ('.');
}
if (postfix != string::npos) {
suffix = suffix.substr (postfix);
} else {
error << "Logic error in Session::change_source_path_by_name(), please report" << endl;
return "";
}
const uint32_t limit = 10000;
char buf[PATH_MAX+1];
for (uint32_t cnt = 1; cnt <= limit; ++cnt) {
snprintf (buf, sizeof(buf), "%s-%u%s", newname.c_str(), cnt, suffix.c_str());
if (!matching_unsuffixed_filename_exists_in (dir, buf)) {
path = Glib::build_filename (dir, buf);
if (!source_by_path (path)) {
break;
}
}
path = "";
}
if (path.empty()) {
fatal << string_compose (_("FATAL ERROR! Could not find a suitable version of %1 for a rename"),
newname) << endl;
/*NOTREACHED*/
}
}
return path;
}
/** Return the full path (in some session directory) for a new within-session source.
* \a name must be a session-unique name that does not contain slashes
* (e.g. as returned by new_*_source_name)

32
libs/ardour/smf_source.cc
View File

@ -667,3 +667,35 @@ SMFSource::prevent_deletion ()
_flags = Flag (_flags & ~(Removable|RemovableIfEmpty|RemoveAtDestroy));
}
int
SMFSource::rename (const string& newname)
{
Glib::Threads::Mutex::Lock lm (_lock);
string oldpath = _path;
string newpath = _session.new_source_path_from_name (DataType::MIDI, newname);
if (newpath.empty()) {
error << string_compose (_("programming error: %1"), "cannot generate a changed file path") << endmsg;
return -1;
}
// Test whether newpath exists, if yes notify the user but continue.
if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
error << string_compose (_("Programming error! %1 tried to rename a file over another file! It's safe to continue working, but please report this to the developers."), PROGRAM_NAME) << endmsg;
return -1;
}
if (Glib::file_test (oldpath.c_str(), Glib::FILE_TEST_EXISTS)) {
/* rename only needed if file exists on disk */
if (::rename (oldpath.c_str(), newpath.c_str()) != 0) {
error << string_compose (_("cannot rename file %1 to %2 (%3)"), oldpath, newpath, strerror(errno)) << endmsg;
return -1;
}
}
_name = Glib::path_get_basename (newpath);
_path = newpath;
return 0;
}